Re: Performance increase with elevator=deadline - Mailing list pgsql-performance

From Albe Laurenz
Subject Re: Performance increase with elevator=deadline
Date
Msg-id D960CB61B694CF459DCFB4B0128514C22D6E7A@exadv11.host.magwien.gv.at
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In response to Performance increase with elevator=deadline  ("Albe Laurenz" <laurenz.albe@wien.gv.at>)
List pgsql-performance
Gregory Stark wrote:
>> After some time of trial and error we found that changing the I/O scheduling
>> algorithm to "deadline" improved I/O performance by a factor 4 (!) for
>> this specific load test.
>
> What was the algorithm before?

The default algorithm, CFQ I think it is.

Yours,
Laurenz Albe

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